Thermally Stimulated Depolarization of AsO       2    −     Centres in Alkali Halide Crystals | Zendy

Pilatus U. | Zendy; Fischer F. | Zendy

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Thermally Stimulated Depolarization of AsO 2 − Centres in Alkali Halide Crystals

Author(s) -

Pilatus U.,

Fischer F.

Publication year - 1983

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221180126

Subject(s) - halide , alkali metal , dipole , annealing (glass) , chemistry , ionic bonding , depolarization , crystallography , materials science , inorganic chemistry , ion , medicine , organic chemistry , composite material , endocrinology

A TSD band below LNT attributed to the AsO 2 −centre is observed in several alkali halide crystals. In KI:AsO 2 −by annealing at 150 °C the 60 K band can be decreased while a 19 K band appears. NaI:AsO 2 −has a band at 11 K. Measured dipole moments of the AsO 2 −centre are between 0.9 and 1.2 e Å depending on the off‐centre displacement of the ionic charge.

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